Type is the main unit of classification of the soil. He stands out in accordance with the profile of the earth. V. V. Dokuchaev in 1886 for the first time classified the types.
The Soils encountered during cultivation plots, not suitable for earlier development of agriculture, belong to a special group.
Some species do not form groups (zones), meet at separate locations within the zones. This is largely due to the peculiarities of rocks, hydration, terrain.
The Most common are the zonal soil types. They (along with plant and other landscape elements) form a natural region.
Soil Types
An Important indicator in the classification of soil is its composition.
Light - sandy soils include sandy, a small proportion of humus, small amount of clay particles. the Soil of higher density belong to the category of heavy-clay soils. They are in processing are not scattered, in contrast, form large clumps that are very difficult digging.
Stony soils are common on slopes of mountains or hills and are not fertile. A large part in their composition is fragments of rock.
The Basis of peat-bog soils are largely organic matter. They are rich in nitrogen, are low in potassium and very little phosphorous. However, there are torgovanov soil, in which there is a high concentration of phosphorus.
Sandy loam soil endowed with many properties of sandy with a more balanced ratio, they belong to the intermediate species. These soils are considered favorable in all respects for the cultivation of plants.
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Alin Trodden - author of the article, editor
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